Potter ADPS Adjustable Deadband Pressure Switch

Features Independent set and reset points Adjustable range of 25 300 PSIG Corrosion resistant For control of pumps compressors etc when used with a motor Model ADPS is an Adjustable Deadband Pressure Switch with set and reset points that are adjustable throughout entire operating range of the switch The minimum deadband span between set and reset points may be obtained at any in the operating range of the switch A change in pressure greater the high setting will reposition the switch mechanism to open or a single snap action electrical switch control device is designed for use as an operating control in sensing air water or any fluid not harmful to the pressure diaphragm or nitrile pressure sealing o ring This device is not intended for applications in explosive or use with hazardous fluids instances where an operating control would result in personal and or loss of property it is the responsibility of the installer add devices safety limit controls that protect against or systems supervisory systems that warn of control failure control of motors with HP ratings greater than those shown could the ADPS switch resulting in sprinkler system damage and water flow The installation of a pressure relief valve set or below the systems maximum operating pressure is recommended Specifications PSIG Operating Range Deadband PSIG PSIG Pressure Setting PSIG Temperature Contact to 180 20 to 82 NEMA Type 4Xm IP66 enclosure indoor or outdoor use To maintain 4X rating use Type 4 conduit hub Forged brass Pressure Connections Aluminum Diecast Base with Enclosure Beryllium Copper Diaphragm Nitrile Pressure Sealing O ring Snap action SPDT Form C 15 Amps at 125 VAC 8 Amps at 250 VAC 1 8 HP at 125 VAC 1 4 HP at 250 VAC Non inductive loads only PSI is at the mid range of the device The differential may be as as 20 PSI when the ADPS is adjusted closer to the extremes of adjustable range PAGE 1 OF 3 Deadband Pressure Switch5401060 REV M 05 16Potter Electric Signal Company LLC St Louis MO Phone 800 325 3936 www pottersignal comfirealarmresources com and Installation Model ADPS is typically mounted in an upright position on a flat surface by two screws through the mounting flanges on the base or by two 20 screws into the back of the base See Fig 1 for mounting dimensions Locate the switch where vibration shock and ambient temperature are minimal avoid damage to the switch always hold a wrench on the pressure connection hex when tightening pressure connections Never tighten the connection by turning the switch housing into the fitting 1 1 HOLE CONDUIT 1 1 HOLE HOLE CONDUIT CONDUIT 1080 1 1080 1 1080 1 x 50 DEEP 1 HOLES FOR MOUNTING OPTION 1 1 HOLES FOR HOLES FOR MOUNTING OPTION MOUNTING OPTION x 50 DEEP x 50 DEEP MOUNTING HOLES SCREWS MOUNTING MOUNTING HOLES HOLES SCREWS SCREWS 1 1 1 properly rated temperature supply wire for the anticipated service temperature Make all electrical connections in accordance with the National Code and local regulations A wiring check may be performed by manually actuating the switch actuator on the side of the snap action switch the enclosure See Fig 3 not loosen or remove the two 2 screws that secure the switch to the switch mounting bracket 2 ACTION ON PRESSURE POINT 1060 2 ACTION LOW PRESSURE POINT PAGE 2 OF 3 REV M 05 16Potter Electric Signal Company LLC St Louis MO Phone 800 325 3936 www pottersignal comADPSAdjustable Deadband Pressure Switchfirealarmresources com two thumb adjustment dials accessible through the enclosure cover are used to adjust the set point and reset point of the switch The dial scales pointer may be used to give an indication of the low and high set points high setting adjustment dial is calibrated for increasing pressure The low setting adjustment dial is calibrated for decreasing pressure For best accuracy the final adjustments with a pressure gauge at the actual working media pressure and temperature encountered in the application minimum deadband minimum span between set and reset points may be obtained at any point in the operating range of the switch the desired settings are obtained replace the adjustment cover The adjustment cover and enclosure cover can be made tamper resistant by a sealing wire inserted through the hole in the locking bar repeatability of the set and reset points is typically 1 of the operating range 3 NOT LOOSEN OR SCREWS SWITCH 1060 3 BAR WITH HOLE SEALING WIRE 18 NPT FEMALE PRESSURE CONNECTION 3 8 18 NPT FEMALE BASE SETTING DIAL Information Adjustable Deadband Pressure Switch No SWITCH FOR TESTING SETTING DIAL PAGE 3 OF 3 REV M 05 16Potter Electric Signal Company LLC St Louis MO Phone 800 325 3936 www pottersignal comADPSAdjustable Deadband Pressure Switchfirealarmresources com